# Efficacy and Safety of Quadruple Therapy in Eradication of H. Pylori: A Comparison to Triple Therapy

> **NCT00669955** · PHASE3 · COMPLETED · sponsor: **Forest Laboratories** · enrollment: 440 (actual)

## Conditions studied

- Helicobacter Infections

## Interventions

- **DRUG:** Omeprazole, amoxicillin, clarithromycin
- **DRUG:** Pylera (Bismuth subcitrate potassium, metronidazole, tetracycline) given in combination with omeprazole

## Key facts

- **NCT ID:** NCT00669955
- **Lead sponsor:** Forest Laboratories
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-06
- **Primary completion:** 2009-07
- **Final completion:** 2009-08
- **Target enrollment:** 440 (ACTUAL)
- **Last updated:** 2017-03-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00669955

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00669955, "Efficacy and Safety of Quadruple Therapy in Eradication of H. Pylori: A Comparison to Triple Therapy". Retrieved via AI Analytics 2026-08-02 from https://api.ai-analytics.org/clinical/NCT00669955. Licensed CC0.

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